Order more and save! Order 7 masks, save $40 Order 20 masks, save $100 *Additional filtration: Filter not included. We offer FILTER INSERTS HERE. Coffee filters or vacuum bags made of HEPA polypropylene (not fiberglass) are good DIY filters.
Features: Tracking: Only with SPOT Gen4, is tracking motion-activated regardless of the level of tracking you choose (Basic or Extreme). A vibration sensor tells your SPOT to send track updates when you are moving and to stop when you do.